Pith Number

pith:XJG5ZY74

pith:2013:XJG5ZY74PV6PCBVRJUQKIC7KON

not attested not anchored not stored refs pending

Flexible Weinstein manifolds

Kai Cieliebak, Yasha Eliashberg

arxiv:1305.1635 v1 · 2013-05-07 · math.SG

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XJG5ZY74PV6PCBVRJUQKIC7KON}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T03:26:11.772966Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ba4ddce3fc7d7cf106b14d20a40bea734f238dad71160b4eb28ba9cdcb8d9f1b

Aliases

arxiv: 1305.1635 · arxiv_version: 1305.1635v1 · doi: 10.48550/arxiv.1305.1635 · pith_short_12: XJG5ZY74PV6P · pith_short_16: XJG5ZY74PV6PCBVR · pith_short_8: XJG5ZY74

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/XJG5ZY74PV6PCBVRJUQKIC7KON \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: ba4ddce3fc7d7cf106b14d20a40bea734f238dad71160b4eb28ba9cdcb8d9f1b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "987f193bb3dbad3c5de5587f826cca119ad91020cf28ebcb83b25e5ca57a12db",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.SG",
    "submitted_at": "2013-05-07T20:10:12Z",
    "title_canon_sha256": "44c304a9b6823899d402a9213de34073b9c4938f9f34a618627a8fa0dca1d2bd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.1635",
    "kind": "arxiv",
    "version": 1
  }
}